AirHint found the following cheapest one-way flights from Keflavik (KEF) to Calgary (YYC) in August 2025 (see full year).

One-Way flights

20 Aug	WestJet	direct
23 Aug	WestJet	direct
29 Aug	WestJet	direct
21 Aug	WestJet	direct
02 Aug	WestJet	direct
03 Aug	WestJet	direct
01 Aug	WestJet	direct
07 Aug	WestJet	direct
24 Aug	WestJet	direct
27 Aug	WestJet	direct

Also check the deals for return flights from Keflavik to Calgary in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest one-way flights from Keflavik to Calgary in August from $204

One-Way flights